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Realtime Great Lakes Weather Data and Marine Observations

 SVNM4: GLERL South Haven MI                                  
CMAN Station
Lat: 42.40°, Lon: -86.29°
Elevation: 176 m
Anemometer Height: 17 m
Related Site: NDBC
Related Site: GLERL

Current Time: 1044 GMT
Station Types
(Click on name to view all stations for that type)
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Lt Blue MarkerBuoys
Red MarkerCMAN & USCG Stations
Yellow MarkerShip Reports
Green MarkerSurface Airways Stations

  Change Units to: English | Metric
 Enter New DOY (001-366):  Or Today (121)
 (See also Tables for determining DOY for a given date)
View multiple days of data for this station:
Select Year and Day of Year (DOY) range:
Year (4-digits):   First Day (001-366):   Last Day (001-366):  
Additional Data Archive: NDBC Historical Data

Metadata | Description of Measurements (NDBC)
All 9s in field = missing data 

                                       Change Units to English | Metric
                         AIR   DEW WND  WND  WND CLD SOLAR   BAR    WAT  WAV  WAV
-------GMT-              TMP   PT  DIR  SPD  GST CVR  RAD    PRES   TMP  HGT  PER
YYYYDDDHHMM#ID            F     F  Deg  kts  kts  %   W/m2   inHg    F    ft   s
202512100001SVNM4   19  59.4 999.9  30  4.1  5.1 999 9999.9 9999.9 99.9 99.9 99.9
202512100101SVNM4   19  59.4 999.9  50  5.1  7.0 999 9999.9 9999.9 99.9 99.9 99.9
202512100201SVNM4   19  59.2 999.9  50  5.1  7.0 999 9999.9 9999.9 99.9 99.9 99.9
202512100301SVNM4   19  59.0 999.9  50  5.1  7.0 999 9999.9 9999.9 99.9 99.9 99.9
202512100401SVNM4   19  59.0 999.9  60  6.0  7.0 999 9999.9 9999.9 99.9 99.9 99.9
202512100501SVNM4   19  58.6 999.9  70  6.0  8.0 999 9999.9 9999.9 99.9 99.9 99.9
202512101001SVNM4   19  58.3 999.9  70  6.0  7.0 999 9999.9 9999.9 99.9 99.9 99.9
202512101101SVNM4   19  58.3 999.9  70  6.0  7.0 999 9999.9 9999.9 99.9 99.9 99.9
202512101201SVNM4   19  58.1 999.9  80  5.1  6.0 999 9999.9 9999.9 99.9 99.9 99.9
202512101301SVNM4   19  58.3 999.9  90  7.0  8.0 999 9999.9 9999.9 99.9 99.9 99.9
202512101401SVNM4   19  58.3 999.9 100  6.0  8.0 999 9999.9 9999.9 99.9 99.9 99.9
202512101501SVNM4   19  59.0 999.9  90  5.1  8.0 999 9999.9 9999.9 99.9 99.9 99.9
202512102001SVNM4   19  59.0 999.9  90  6.0  7.0 999 9999.9 9999.9 99.9 99.9 99.9
202512102101SVNM4   19  59.0 999.9  90  6.0  8.0 999 9999.9 9999.9 99.9 99.9 99.9
202512102401SVNM4   19  59.0 999.9 110  6.0  8.9 999 9999.9 9999.9 99.9 99.9 99.9
202512102501SVNM4   19  59.2 999.9  90  8.9 11.1 999 9999.9 9999.9 99.9 99.9 99.9
202512103001SVNM4   19  59.0 999.9  60  8.9 11.1 999 9999.9 9999.9 99.9 99.9 99.9
202512103101SVNM4   19  59.0 999.9  70  8.0  8.9 999 9999.9 9999.9 99.9 99.9 99.9
202512103201SVNM4   19  59.0 999.9  60  7.0  8.9 999 9999.9 9999.9 99.9 99.9 99.9
202512103301SVNM4   19  59.0 999.9  70  7.0  8.9 999 9999.9 9999.9 99.9 99.9 99.9
202512103401SVNM4   19  59.0 999.9  60  9.9 13.0 999 9999.9 9999.9 99.9 99.9 99.9
202512103501SVNM4   19  58.8 999.9  60  6.0  8.0 999 9999.9 9999.9 99.9 99.9 99.9
202512104001SVNM4   19  58.8 999.9  60  7.0  8.9 999 9999.9 9999.9 99.9 99.9 99.9
202512104101SVNM4   19  58.8 999.9  60  7.0  9.9 999 9999.9 9999.9 99.9 99.9 99.9
202512104201SVNM4   19  58.6 999.9  60  8.9 12.1 999 9999.9 9999.9 99.9 99.9 99.9
202512104301SVNM4   19  58.5 999.9  70 11.1 12.1 999 9999.9 9999.9 99.9 99.9 99.9
202512104401SVNM4   19  58.3 999.9  70  8.9 11.1 999 9999.9 9999.9 99.9 99.9 99.9
202512104501SVNM4   19  58.1 999.9  70 11.1 13.0 999 9999.9 9999.9 99.9 99.9 99.9
202512105001SVNM4   19  57.9 999.9  80 12.1 15.9 999 9999.9 9999.9 99.9 99.9 99.9
202512105101SVNM4   19  57.6 999.9  80  9.9 12.1 999 9999.9 9999.9 99.9 99.9 99.9
202512105201SVNM4   19  57.6 999.9  80 12.1 16.9 999 9999.9 9999.9 99.9 99.9 99.9
202512105301SVNM4   19  57.6 999.9  70 11.1 13.0 999 9999.9 9999.9 99.9 99.9 99.9
202512105401SVNM4   19  57.4 999.9  70 13.0 15.9 999 9999.9 9999.9 99.9 99.9 99.9
202512105501SVNM4   19  57.4 999.9  70 13.0 15.9 999 9999.9 9999.9 99.9 99.9 99.9
202512106001SVNM4   19  57.2 999.9  70 12.1 16.9 999 9999.9 9999.9 99.9 99.9 99.9
202512106101SVNM4   19  57.2 999.9  80 13.0 15.9 999 9999.9 9999.9 99.9 99.9 99.9
202512106201SVNM4   19  57.2 999.9  80 13.0 15.0 999 9999.9 9999.9 99.9 99.9 99.9
202512106301SVNM4   19  57.0 999.9  80 15.0 20.0 999 9999.9 9999.9 99.9 99.9 99.9
202512106401SVNM4   19  57.0 999.9  90 15.0 19.0 999 9999.9 9999.9 99.9 99.9 99.9
202512106501SVNM4   19  57.0 999.9  80 14.0 19.0 999 9999.9 9999.9 99.9 99.9 99.9
202512107001SVNM4   19  56.7 999.9  80 14.0 16.9 999 9999.9 9999.9 99.9 99.9 99.9
202512107101SVNM4   19  56.1 999.9  80 15.9 20.0 999 9999.9 9999.9 99.9 99.9 99.9
202512107201SVNM4   19  55.8 999.9  80 13.0 15.0 999 9999.9 9999.9 99.9 99.9 99.9
202512107301SVNM4   19  55.0 999.9  70 15.0 20.0 999 9999.9 9999.9 99.9 99.9 99.9
202512107401SVNM4   19  53.8 999.9  80 14.0 19.0 999 9999.9 9999.9 99.9 99.9 99.9
202512107501SVNM4   19  52.0 999.9  80 14.0 19.0 999 9999.9 9999.9 99.9 99.9 99.9
202512108001SVNM4   19  50.9 999.9  70 15.0 18.1 999 9999.9 9999.9 99.9 99.9 99.9
202512108101SVNM4   19  50.0 999.9  70 14.0 16.9 999 9999.9 9999.9 99.9 99.9 99.9
202512108201SVNM4   19  49.8 999.9  70 15.0 20.0 999 9999.9 9999.9 99.9 99.9 99.9
202512108301SVNM4   19  50.2 999.9  70 15.0 18.1 999 9999.9 9999.9 99.9 99.9 99.9
202512108401SVNM4   19  50.4 999.9  70 14.0 19.0 999 9999.9 9999.9 99.9 99.9 99.9
202512108501SVNM4   19  50.4 999.9  70 14.0 15.9 999 9999.9 9999.9 99.9 99.9 99.9
202512109001SVNM4   19  50.4 999.9  70 15.9 21.0 999 9999.9 9999.9 99.9 99.9 99.9
202512109101SVNM4   19  50.4 999.9  70 15.0 18.1 999 9999.9 9999.9 99.9 99.9 99.9
202512109201SVNM4   19  50.2 999.9  80 14.0 15.9 999 9999.9 9999.9 99.9 99.9 99.9
202512109301SVNM4   19  49.1 999.9  70 14.0 16.9 999 9999.9 9999.9 99.9 99.9 99.9
202512109401SVNM4   19  48.9 999.9  60 15.0 18.1 999 9999.9 9999.9 99.9 99.9 99.9
202512109501SVNM4   19  48.7 999.9  70 15.0 16.9 999 9999.9 9999.9 99.9 99.9 99.9
202512110001SVNM4   19  48.4 999.9  60 15.9 19.0 999 9999.9 9999.9 99.9 99.9 99.9
  New Graph (click on parameter):                                      
  at | dp | wd | ws | wg | cc | sr | bp | wt | wvh | wvp
google chart
  [every 2nd value plotted]
59 matching elements
0.019 sec
This Web page created and maintained by Greg Lang, NOAA/GLERL,
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